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All results from a given calculation for Li2F2 (Lithium fluoride dimer)

using model chemistry: G3B3

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1AG
Energy calculated at G3B3
 hartrees
Energy at 0K-214.837239
Energy at 298.15K-214.832077
HF Energy-214.947121
Nuclear repulsion energy51.766972
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at B3LYP/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Ag 716 688 0.00 7.03 0.06 0.11
2 Ag 377 362 0.00 0.19 0.55 0.71
3 B1u 716 687 219.39 0.00 0.06 0.00
4 B2u 595 571 290.54 0.00 0.00 0.00
5 B3g 589 566 0.00 0.87 0.75 0.86
6 B3u 295 283 178.75 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 1643.3 cm-1
Scaled (by 0.9603) Zero Point Vibrational Energy (zpe) 1578.1 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at B3LYP/6-31G*
ABC
0.99050 0.25644 0.20370

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G*

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 1.101 0.000
Li2 0.000 -1.101 0.000
F3 0.000 0.000 1.315
F4 0.000 0.000 -1.315

Atom - Atom Distances (Å)
  Li1 Li2 F3 F4
Li12.20261.71551.7155
Li22.20261.71551.7155
F31.71551.71552.6306
F41.71551.71552.6306

picture of Lithium fluoride dimer state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Li1 F3 Li2 80.041 Li1 F4 Li2 80.041
F3 Li1 F4 99.959 F3 Li2 F4 99.959
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.516      
2 Li 0.516      
3 F -0.516      
4 F -0.516      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 47.618
(<r2>)1/2 6.901